请教包括一维、二维数组的遍历问题
Array
(
[8900] => A
[8898] => D
[8733] => B
[8799] => C
[8933] => A
[8827] => C
[8854] => C
[8786] => A
[8738] => B
[8880] => B
[8835] => A
[8750] => D
[8760] => D
[8853] => A
[8863] => A
[8806] => D
[8766] => A
[8864] => D
[8896] => A
[8874] => A
[8828] => C
[8732] => D
[8925] => B
[8779] => B
[8895] => B
[8843] => B
[8873] => B
[8744] => C
[8731] => D
[8856] => B
[8969] => Array
(
[0] => A
[1] => B
[3] => D
)
[9051] => Array
(
[1] => B
[2] => C
)
[9059] => Array
(
[0] => A
[2] => C
[3] => D
)
[9032] => Array
(
[0] => A
[1] => B
[2] => C
[3] => D
)
[8953] => Array
(
[0] => A
[1] => B
[2] => C
[3] => D
)
[8960] => Array
(
[0] => A
[1] => B
[3] => D
)
[9110] => Array
(
[0] => A
[1] => B
[2] => C
[3] => D
)
[9084] => Array
(
[0] => A
[1] => B
[2] => C
)
[9044] => Array
(
[0] => A
[1] => B
[2] => C
[3] => D
)
[8961] => Array
(
[0] => A
[1] => B
[3] => D
)
[9023] => Array
(
[0] => A
[1] => B
[2] => C
[3] => D
)
[9098] => Array
(
[0] => A
[1] => B
[2] => C
[3] => D
)
[8976] => Array
(
[0] => A
[1] => B
[2] => C
[3] => D
)
[9102] => Array
(
[1] => B
[2] => C
)
[8972] => Array
(
[0] => A
[1] => B
[2] => C
)
[8968] => Array
(
[0] => A
[2] => C
)
[8997] => Array
(
[0] => A
[3] => D
)
[9080] => Array
(
[0] => A
[2] => C
)
[9029] => Array
(
[0] => A
[1] => B
)
[9091] => Array
(
[0] => A
[1] => B
[2] => C
)
[9240] => A
[9182] => A
[9227] => A
[9146] => B
[9190] => A
[9139] => B
[9138] => B
[9143] => A
[9279] => A
[9232] => A
)
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最好能将第一部分的一维数组、第二部分的二维数组、第三部分的一维数组分开遍历。不胜感激！